Published in Scientific Papers. Series D. Animal Science, Vol. LXIII, Issue 1
Written by Ionică NECHIFOR, Alexandru Marian FLOREA, Andre CRÎȘMARU, Constantin PASCAL
Within the performance control activities of the skin production, for the analysis of the uniformity of the curls, we focus on the main characteristics that influence the expression and the externalization of a genotype with a certain type or form of curl with approximately equal values of the basic dimensions. To create conditions for genetic expression of the uniformity of the type of curls, it is necessary to follow the improvement of the following parameters: the length, the height, the width, the degree of closure, spiral direction, the contour and the distance of the curls on the skin surface. The method applied in the assessment of the specific characteristics of the research carried out was based on the technical norms specified in Section 1.4 and 1.5 of the MADR Order no. 22/20.01.2006, and the statistical processing of the data was based on the use of the computer program S.A.V.C. The obtained results show that between the average score determined for this character in the grayish variety and the black one, the difference is insignificant but the one between grayish and pink and grayish and grey is significant for P<0.01%, and the one between grayish and brown is significant for P<0.05. In the brown variety it is found that if at the first generation since the establishment of the breed register the proportion of those with maximum score was 46.33% at the generation evaluated in 2015, it is found that at almost 70% a good uniformity is obtained, resulting in a progress 2.35% genetically for each successive generation within that 10-year period.
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